A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 5920-00-243-9506
NSN 5985-00-552-4489
NSN 5935-00-978-1018
NSN 6135-01-584-0941
NSN 6130-01-634-0603
NSN 7035-01-575-1026
NSN 6220-01-627-3113
NSN 6685-01-122-8331
NSN 6650-00-547-4557
NSN 6610-01-574-9829
NSN 5935-00-482-0928
NSN 5915-01-386-0001